Illinois Cities by Population (1 to 20)
Search cities in Illinois, United States. Find out the population, time zones, current local time and more Illinois facts.
| City | Region | Country | Time Zone | Population | |
|---|---|---|---|---|---|
| Chicago | Illinois | United States | Central Daylight Time | 2,696,555 | |
| Aurora | Illinois | United States | Central Daylight Time | 200,661 | |
| Rockford | Illinois | United States | Central Daylight Time | 148,278 | |
| Joliet | Illinois | United States | Central Daylight Time | 147,861 | |
| Naperville | Illinois | United States | Central Daylight Time | 147,100 | |
| Springfield | Illinois | United States | Central Daylight Time | 116,565 | |
| Peoria | Illinois | United States | Central Daylight Time | 115,070 | |
| North Peoria | Illinois | United States | Central Daylight Time | 113,004 | |
| Elgin | Illinois | United States | Central Daylight Time | 112,111 | |
| Waukegan | Illinois | United States | Central Daylight Time | 88,475 | |
| West Town | Illinois | United States | Central Daylight Time | 86,429 | |
| Champaign | Illinois | United States | Central Daylight Time | 86,096 | |
| Near North Side | Illinois | United States | Central Daylight Time | 85,711 | |
| Cicero | Illinois | United States | Central Daylight Time | 83,886 | |
| Belmont Cragin | Illinois | United States | Central Daylight Time | 79,159 | |
| Bloomington | Illinois | United States | Central Daylight Time | 78,292 | |
| Arlington Heights | Illinois | United States | Central Daylight Time | 75,926 | |
| Evanston | Illinois | United States | Central Daylight Time | 75,527 | |
| Schaumburg | Illinois | United States | Central Daylight Time | 74,693 | |
| Bolingbrook | Illinois | United States | Central Daylight Time | 74,306 |